Program

Sessions 1 - 5

09:00 - 18:20

Friday, May 30, 2014

Session 1

09:00 - 10:24

PEDIATRIC NEUROSURGERY

Chairs: Prof. C. Di Rocco, Prof. U. Sure, Prof. S. Akshulakov, Assoc. Prof. A. Tascu, Assoc. Prof. A. Kim and Assoc. Prof. K. Georgiev

09:00 - 09:12

Third Ventricle Tumors in Children

Prof. C. Di Rocco,

Director of Pediatric Neurosurgery,

INI-International Neuroscience Institute,

Hannover, Germany

09:12 - 09:24

Pediatric pineal tumours

Prof. U. Sure, N. El Hindy, O. Müller

Head Department of Neurosurgery, Universitätsklinikum Essen,

 Essen, Germany

09:24 - 09:36

Brain tumors surgical treatment and pregnancy

Prof. S. Аkshulakov, G. Olenbay, N. Ryskeldiyev, A. Doskaliev, D. Surdin

Head National Center for Neurosurgery,

Astana, Kazakhstan

09:36 - 09:48

CRANIOTOMY OR CRANIECTOMY IN POSTERIOR FOSSA TUMOR REMOVAL

Assoc. Prof. A. V. Kim,

Polenov Russian Neurosurgery Research Institute,

Saint Petersburg, Russia

09:48 - 10:00

Role of adjuvant therapy after neurosurgery in pediatric low grade gliomas

Assoc. Prof. A. Tascu^1,2, R. Rizea^1,2, A. Iliescu¹, C. Pascal¹, I. Vapor¹, M. S. Florea¹, P. Petrescu¹

1) 1-st Neurosurgical Department, "Bagdasar-Arseni" Clinical Hospital, Bucharest, Romania

2) "Carol Davila" University Medical and Pharmaceutical School, Bucharest, Romania

10:00 - 10:12

Neurosurgical Management of Craniosynostosis

Prof. C. Di Rocco,

Director of Pediatric Neurosurgery,

INI-International Neuroscience Institute,

Hannover, Germany

10:12 - 10:24

Discussion

10:24 - 10:40

Coffee Break

Session 2

10:40 - 12:40

NEUROONCOLOGY

Chairs: Prof. S. Florian, Prof. M. Gorgan, Prof. J. Piek, Prof. A. Kaprelyan, Assoc. Prof. V. Gerganov, Prof. W. Curry and Assoc. Prof. T. Eftimov

10:40 - 10:52

NEUROSURGICAL MANAGEMENT OF BRAINSTEM LESIONS

Prof. I.S. Florian^1,2, A. Kiss², Z. Andrasoni²

1) University of Medicine and Pharmacy "Iuliu Hatieganu" Cluj-Napoca, Department of Neurosurgery, Cluj-Napoca, Romania

2) Cluj County Emergency Hospital, Department of Neurosurgery, Cluj-Napoca, Romania

10:52 - 11:04

Intraoperative imaging in glioma surgery: MRI vs. ultrasound or MRI and ultrasound?

Assoc. Prof. V. Gerganov, MD, PhD,

INI-International Neuroscience Institute,

Hannover, Germany

11:04 - 11:16

Vaccination with Irradiated Autologous Tumor Cells Mixed with Irradiated GM-K562 cells Provokes Lymphocyte Activation and Specific Antitumor Immunity in Patients With Recurrent Glioblastoma

Prof. W. T. Curry, Jr., MD,

Massachusetts General Hospital,

Harvard Medical School,

Boston, USA

11:16 - 11:28

CLASSIC VERSUS ULTRASOUND NAVIGATION IN THE SURGERY OF HIGH GRADE GLIOMAS

I. Todorov¹, T. Eftimov¹, I. Hadzhiangelov¹, V. Nakov¹, P. Simeonov¹, E. Stavrev¹, K. Ninov¹, K. Romansky¹, Y. Enchev²

1) Department of Neurosurgery, Military Medical Academy, Sofia, Bulgaria

2) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

11:28 - 11:40

Vestibular schwannomas treatment in the 21^st century: surgery or radiosurgery?

Assoc. Prof. V. Gerganov, MD, PhD,

INI-International Neuroscience Institute,

Hannover, Germany

11:40 - 11:52

ALTERNATIVES IN MANAGEMENT OF REGROWTH NEUROECTODERMAL TUMORS IN CHILDREN

Assoc. Prof. A.V. Kim,

Polenov Russian Neurosurgery Research Institute,

St. Petersburg, Russia

11:52 - 12:04

GFAP- δ and nestin as molecular markers related to the cell origins and invasion in human gliomas

F. M. Brehar^{1, 2}, Prof. M. R. Gorgan^{1, 2}

1) "Bagdasar-Arseni" Emergency Clinical Hospital, Bucharest, Romania

2) Clinic of Neurosurgery - "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania

12:04 - 12:16

THE POSSIBLE ROLE OF JC POLYOMAVIRUS IN TUMORIGENESIS OF GLIAL BRAIN MALIGNANCIES

Assoc. Prof. T. Eftimov¹, P. Simeonov¹, K. Ninov¹, I. Tsekov², Assoc. Prof. Z. Kalvatchev², Assoc. Prof. Y. Enchev³

1) Clinic of Neurosurgery, Military Medical Academy, Sofia, Bulgaria

2) Centre for Diagnosis and Analysis of Viruses and Viral Diseases, Military Medical Academy, Sofia, Bulgaria

3) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

12:16 - 12:28

INTERSTITIAL BRACHYTHERAPY WITH GLIASITE IN PATIENTS WITH RECURRENT GBM- FIRST RESULTS

Prof. J. Piek

Chair, Department of Neurosurgery,

University of Rostock,

Rostock, Germany

12:28 - 12:40

Discussion

12:40 - 13:30

Lunch

Session 3

13:30 - 14:40

SKULL BASE NEUROSURGERY

Chairs: Prof. S. Abdulrauf, Prof. W. Curry, Assoc. Prof. B. Kitov, Dr. J. Muto and Dr. V. Filipce

13:30 - 13:42

New Frontiers in Skull Base Surgery

Prof. S. I. Abdulrauf, MD, FACS,

Professor and Chairman of the Department of Neurosurgery,

Saint Louis University,

Saint Louis, USA

13:42 - 13:54

Outcomes and patterns of care in adult skull base chordoma and chondrosarcoma from the surveillance, epidemiology, and end results (SEER) database

Prof. W. T. Curry, Jr., MD,

Massachusetts General Hospital,

Harvard Medical School,

Boston, USA

13:54 - 14:06

COMPARISON ANTERIOR TRANSPETROSAL APPROACH WITH ENDONASAL ENDOSCOPIC APPROACH TO THE PETROSAL APEX LESION

J. Muto¹, L. Fiho¹, E. Kerr¹, A. Jamshidi¹, K. Oyama¹, D. de Lara¹, G. deSouza Daniel¹, B. Otto¹, R. Carrau¹, Prof. D. Prevedello¹

1) Department of Neurological surgery, The Ohio State University, USA

2) Department of Otolaryngology- Head and Neck Surgery, The Ohio State University, USA

14:06 - 14:18

ENDOSCOPY ASSISTED MICRONEUROSURGERY IN CADAVER MODEL

V. Filipce MD, MSc, FINR,

Skopje, Macedonia

14:18 - 14:30

COMPREHENSIVE APPROACH TO MECKEL'S CAVE

J. Muto^1.2, Prof. D. Prevedello¹, L. Fiho¹, E. Kerr¹, A. Jamshidi¹, M. Toda², Prof. T. Kawase², K. Yoshida²

1) Department of Neurological surgery, The Ohio State University, USA

2) Department of Neurosurgery, Keio University School of Medicine, Tokyo, Japan

14:30 - 14:40

Discussion

Session 4

14:40 - 16:30

FUNCTIONAL NEUROSURGERY

Chairs: Prof. L. Rasulic, Prof. K. Fountas, Prof. T. Sajko, Prof. F. Acar and Dr. Chr. Ranguelov

14:40 - 14:52

Preoperative Diagnostic Approach in Patients with Medically Refractory Epilepsy

Prof. K. N. Fountas, MD, PhD

Head, Department of Neurosurgery, School of Medicine,

University of Thessaly, Larisa, Greece

14:52 - 15:04

Controversy in surgical tretment for mesial temporal lobe epilepsy due to hippocampal sclerosis: standard vs selective technique

Prof. T. Sajko¹, H. Hećimović², K. Rotim¹

1) Department of Neurosurgery, University Hospital Center „Sestre milosrdnice", Zagreb, Croatia

2) Department of Neurology, University Hospital Center „Sestre milosrdnice", Zagreb, Croatia

15:04 - 15:16

Surgical Treatment Options for Medically Refractory Epilepsy of Temporal Origin

K. N. Fountas, MD, PhD

Head, Department of Neurosurgery, School of Medicine,

University of Thessaly, Larisa, Greece

15:16 - 15:28

LESIONING IN FUNCTIONAL NEUROSURGERY IN MODERN ERA, IS IT STILL VALUABLE?

Prof. F. Acar, MD

Head, Department of Neurosurgery,

Pamukkale University,

Denizli, Turkey

15:28 - 15:40

Which Target Is Ideal for Deep Brain Stimulation in Parkinson's Disease?

Prof. F. Acar, MD

Head, Department of Neurosurgery,

Pamukkale University,

Denizli, Turkey

15:40 - 15:52

BRACHIAL PLEXUS SURGERY - PRESENT LIMITS AND PERSPECTIVES

Prof. L. Rasulic, M. Samardzic, V. Bascarevic, M. Micovic, I. Cvrkota, A. Savic, B. Zivkovic

Department of Neurosurgery, Medical School University of Belgrade,

Belgrade, Serbia

15:52 - 16:04

PERIPHERAL NERVE SURGERY - VIEW THROUGH MULTIDICIPLINARY APPROCH WINDOW

Prof. L. Rasulic, M. Samardzic, V. Bascarevic, M. Micovic, I. Cvrkota, A. Savic, B. Zivkovic

Department of Neurosurgery, Medical School University of Belgrade,

Belgrade, Serbia

16:04 - 16:16

Controversies in Surgical Treatment of Trigeminal Neuralgia

Ch. Ranguelov¹, K. Romansky¹, Y. Enchev²

1) Department of Neurosurgery, University Hospital "St. Ivan Rilsky", Medical University of Sofia, Bulgaria

2) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

16:16 - 16:30

Discussion

16:30 - 16:45

Coffee Break

Session 5

16:45 - 18:40

SPINAL NEUROSURGERY

Chairs: Prof. J. Piek, Prof. Al. Chaparoski, Prof. J. Hamilton, Prof. I. Poeata, Prof. T. Sajko and Prof. N. Gabrovsky

16:45 - 16:57

The Neurosurgical Labyrinth: Managing Type II Odontoid Fractures in the Elderly Patient

J. Boddu BS^1,2, J. Rostron MSHS PA-C¹, A. Danison DO^{1, 3}, Prof. J. F. Hamilton MD PhD¹

1) Department of Neurosciences, Division of Neurosurgery, Inova Fairfax Hospital Northern Virginia Campus of Virginia Commonwealth University School of Medicine, 3300 Gallows Road, Falls Church, VA 22042, USA

2) The George Washington University School of Medicine and Health Sciences, 2300 Eye Street NW, Washington, DC 20037, USA

3) Department of Neurosurgery, Carilion Clinic, Carilion Roanoke Memorial Hospital, 1906 Belleview Ave SE, Roanoke, VA 24014, USA

16:57 - 17:10

ACDF FOR SINGLE LEVEL DISC DISEASE

Prof. Al. Chaparoski,

Skopje, Macedonia

17:10 - 17:22

LONG-TERM RESULTS OF CERVIVAL DISCECTOMY AND FUSION WITH STAND-ALONE CAGES IN DEGENERATIVE CERVICAL DISC DISEASE

Prof. J. Piek

Chair, Department of Neurosurgery,

University of Rostock,

Rostock, Germany

17:22 - 17:34

Posterior approaches for cervical myelopathy, indication and techniques: personal experience and literature review

Prof. I. Poeata, A. Iencean, B. Iliescu, C. Apetrei, B. Chirita, B. Secara

Department of Neurosurgery, University of Medicine and Pharmacy Gr T Popa,

Iasi, Romania

17:34 - 17:46

No Man's Land Revisited: Managing Unstable High Thoracic Fractures

A. Danison DO^{1, 3}, J. Boddu BS^1,2, J. Rostron MSHS PA-C¹, Prof. J. F. Hamilton MD PhD¹

1) Department of Neurosciences, Division of Neurosurgery, Inova Fairfax Hospital Northern Virginia Campus of Virginia Commonwealth University School of Medicine, 3300 Gallows Road, Falls Church, VA 22042, USA

2) The George Washington University School of Medicine and Health Sciences, 2300 Eye Street NW, Washington, DC 20037, USA

3) Department of Neurosurgery, Carilion Clinic, Carilion Roanoke Memorial Hospital, 1906 Belleview Ave SE, Roanoke, VA 24014, USA

17:46 - 17:58

Novel Minimally Invasive Approaches to Lumbar Degenerative Disc Disease: Direct Lateral Approach to the Lumbar Spine

J. Boddu BS^1,2, J. Rostron MSHS PA-C¹, A. Danison DO^{1, 3}, Prof. J. F. Hamilton MD PhD¹

1) Department of Neurosciences, Division of Neurosurgery, Inova Fairfax Hospital Northern Virginia Campus of Virginia Commonwealth University School of Medicine, 3300 Gallows Road, Falls Church, VA 22042, USA

2) The George Washington University School of Medicine and Health Sciences, 2300 Eye Street NW, Washington, DC 20037, USA

3) Department of Neurosurgery, Carilion Clinic, Carilion Roanoke Memorial Hospital, 1906 Belleview Ave SE, Roanoke, VA 24014, USA

17:58 - 18:10

Long term results and efficacy of facet sparing laminectomy with fusion vs. Young laminoplasty for the treatment of degenerative spinal stenosis

T. Sajko, I. Škoro

Department of Neurosurgery, Sestre milosrdnice University Hospital Center, Zagreb, Croatia

18:10 - 18:22

Diagnosis, Management, and Treatment Options of Ankylosing Spondylitis Fractures

J. Rostron MSHS PA-C¹, J. Boddu BS^1,2, A. Danison DO^{1, 3}, Prof. J. F. Hamilton MD PhD¹

1) Department of Neurosciences, Division of Neurosurgery, Inova Fairfax Hospital Northern Virginia Campus of Virginia Commonwealth University School of Medicine, 3300 Gallows Road, Falls Church, VA 22042, USA

2) The George Washington University School of Medicine and Health Sciences, 2300 Eye Street NW, Washington, DC 20037, USA

3) Department of Neurosurgery, Carilion Clinic, Carilion Roanoke Memorial Hospital, 1906 Belleview Ave SE, Roanoke, VA 24014, USA

18:22 - 18:40

Discussion

Sessions 6 - 9

08:00 - 12:40

Saturday, May 31, 2014

Session 6

08:00 - 09:00

CEREBRAL ANEURYSMS

Chairs: Prof. S. Abdulrauf, Prof. Al. Andreou, Prof. K. Rotim, Prof. K. Dizdarević and Assoc. Prof. Chr. Tzekov

08:00 - 08:12

New Frontiers in Aneurysm Surgery

Prof. Saleem I. Abdulrauf, MD, FACS,

Professor and Chairman of the Department of Neurosurgery at Saint Louis University,

Saint Louis, USA

08:12 - 08:24

Multiple Aneurysms: Treatment Modalities and Selection Criteria. A Single Unit Experience

Prof. Alexandros Andreou MD, PhD,

Director of the Department of Neurosurgery and Interventional Neuroradiology, Hygeia Hospital,

Athens, Greece

08:24 - 08:36

MICROSURGERY / ENDOVASCULAR / COMBINED TREATMENT OF INTRACRANIAL VASCULAR LESIONS

Prof. K. Rotim¹, V. Kalousek², M. Boric¹

1) Department of Neurosurgery, University Hospital Center „Sestre milosrdnice",Zagreb, Croatia

2) Department of Neurology, University Hospital Center „Sestre milosrdnice",Zagreb, Croatia

08:36 - 08:48

COGNITION IN MICROSURGICALLY TREATED PATIENTS AFTER ANEURYSMAL HAEMORRHAGE

M. Koso, K. Dizdarević,

Department of Neurosurgery, Medical School University of Sarajevo,

Bosnia-Herzegovina

08:48 - 09:00

Discussion

Session 7

09:00 - 10:25

AVM and CAVERNOMAS

Chairs: Prof. U. Sure, Prof. Al. Andreou, Prof. M. Gorgan, Prof. S. Florian, Prof. K. Dizdarević and Prof. I. Poeata

09:00 - 09:12

Management of cerebral cavernous malformations: molecular insight and clinical considerations

Prof. U. Sure¹, P. Dammann¹, Y. Zhu¹, U. Felbor²

1)      Department of Neurosurgery University Hospital of Essen, Essen, Germany

2)      Institute of Human Genetics, University of Greifswald, Greifswald, Germany

09:12 - 09:24

Brain AVM/Fs: What is the role of the combined treatment strategies?

Prof. Al. Andreou MD, PhD,

Director of the Department of Neurosurgery and Interventional Neuroradiology, Hygeia Hospital,

Athens, Greece

09:24 - 09:36

Microsurgery of Spetzler-Martin grades III, IV and V arteriovenous malformations

Prof. M. R. Gorgan^{1, 2}, F. M. Brehar^{1, 2} 

1) "Bagdasar-Arseni" Emergency Clinical Hospital, Bucharest, Romania

2) Clinic of Neurosurgery - "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania

09:36 - 09:48

Microsurgery of the brain arteriovenous malformations

Prof. K. Dizdarevic MD, MSc, PhD,

Department of Neurosurgery, Medical School University of Sarajevo,

Bosnia-Herzegovina

09:48 - 10:00

INTRACRANIAL VASCULAR MALFORMATION A SURGICAL POINT OF VIEW

Prof. Șt. Florian^1,2, S.V. Trifoi², P. Kiss²

1) University of Medicine and Pharmacy "Iuliu Hatieganu" Cluj-Napoca, Department of Neurosurgery, Cluj-Napoca, Romania

2) Cluj County Emergency Hospital, Department of Neurosurgery, Cluj-Napoca, Romania

10:00 - 10:12

Current concepts in cerebral arteriovenous malformations treatment: personal experience and literature review

Prof. I. Poeata, Z. Faiyad, N. Dobrin, A. Chiriac, D. Rotariu, S. Predoaica

Department of Neurosurgery, University of Medicine and Pharmacy Gr T Popa,

 Iasi, Romania

10:12 - 10:25

Discussion

10:25 - 10:40

Coffee Break

Session 8

10:40 - 11:35

MISCELLANEOUS

Chairs: Prof. S. Akshulakov, Prof. K. Yrysov and Assoc. Prof. Y. Enchev

10:40 - 10:52

Neurosurgical service in the Republic of Kazakhstan

Prof. S. Akshulakov, MD, Dr.Med.Sci.

CEO of the National Center for Neurosurgery,

President of the Kazakh Association of Neurosurgeons,

Astana, Kazakhstan

10:52 - 11:04

BRAIN ABSCESSES: ANALYSIS OF SURGery RESULTS

Prof. K. Yrysov

Head of Department of Neurosurgery, Kyrgyz State Medical Academy,

Bishkek, Kyrgyz Republic

11:04 - 11:16

Hydatid cysts of the brain: Local osonotherapy in surgical management

Prof. K. Yrysov

Head of Department of Neurosurgery, Kyrgyz State Medical Academy,

Bishkek, Kyrgyz Republic

11:16 - 11:28

Safety control in neurosurgery- the perspective of neurosurgical checklists

Y. Enchev, T. Kondev, B. Iliev, Pl. Trendafilov, T. Avramov, D. Handgiev

Department of Neurosurgery,

Medical University of Varna, University Hospital "St. Marina",

Varna, Bulgaria

11:28 - 11:35

Discussion

Session 9

11:35 - 12:30

BULGARIA 2014 "OI HANDY PRO" COURSE - NEUROENDOSCOPY

Prof. Shizuo Oi, Germany/Japan

11:35 - 11:47

Historical Trend of Hydrocephalus Research at International Neuroscience Institute [INI, Hannover, Germany] and Report on 12 years' Activities of Worldwide Help on Children with Hydrocephalus [WHOCH] Project

S. Oi¹, C. Di Rocco¹, A. Samii¹, M. Samii¹, Y. Enchev², F. Di Rocco³, J. Muto⁴, Y. Nonaka⁵

1) International Neuroscience Institute [INI], Hannover, Germany

2) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

3) Department of Pediatric Neurosurgery, Necker Children's Hospital, Paris, France

4) Department of Neurosurgery, Keio University, School of Medicine, Tokyo, Japan

5) Division of Pediatric Neurosurgery, Jikei University Womens' and Children's Medical Center [JWCMC], Tokyo, Japan

11:47 - 12:00

Role of Neuroendoscopic Procedures in "Minimally-invasive" Preferential Management of Pineal Region Tumors

Prof. S. Oi¹ and Y. Enchev²

1)      International Neuroscience Institute [INI], Hannover, Germany

2)      Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

12:00 - 12:30

"OI HANDY PRO" NEUROENDOSCOPE IN THE CLINICAL PRACTICE

Prof. S. Oi

International Neuroscience Institute [INI],

Hannover, Germany

12:30 - 12:40

Closing Ceremony

P1

Endovascular Treatment in Acute Ischemic Stroke -

Three Years Clinical Experience

S. Andonova¹, E. Kalevska¹, Ch. Bachvarov², Tz. Dimitrova¹, M. Petkova¹, V. Argirova¹, Tz. Tzvetkov¹

1) Second Clinic of Neurology with Intensive Care Unit, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2) Centre of Radiology, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P2

Treatment of Acute Stroke in Patients on Anticoagulation Therapy with rt PA

S. Andonova, Tz. Dimitrova, E. Kalevska, V. Argirova, Tz. Tzvetkov,

Second Clinic of Neurology with Intensive Care Unit,

Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P3

Hypertrophic Spinal Luetic Pachymeningitis: Neurosurgical Treatment. Case Report and Review of the Literature

T. Avramov, I. Dimitrov², A. Kaprelyan ³, Y. Enchev¹, B. Ivanov ⁴, B. Iliev¹, R. Georgiev⁵, N. Deleva³

1) Department of Neurosurgery and Otolaringology, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2) Department of Medical Care, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

3) Department of Neurology, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

4) Department of Clinical Medical Sciences, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

5) Department of Imaging Diagnostics and Radiotherapy, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P4

ENDOVASCULAR INTERVENTIONS IN RUPTURED INTRACRANIAL ANEURYSMS AND ARTERIOVENOUS MALFORMATIONS - INITIAL EXPERIENCE

Ch. Bachvarov¹, Y. Enchev², T. Avramov², P. Trendafilov², B. Iliev², G. Todorov¹, T. Kondev²

1)Department of Interventional Neuroradiology, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2)Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P5

Rare Clinical Case of Glioblastoma Multiforme, Multiple Sclerosis and Epilepsy Comorbidity

I. Dimitrov¹, A. Kaprelyan², R. Georgiev³, B. Ivanov⁴, Y. Enchev⁵, T. Avramov⁵, N. Deleva²

¹Dept. of Nursing, Sliven Affiliate, Medical University of Varna, Bulgaria

²Dept. of Neurology, Medical University of Varna, Bulgaria³Dept. of Imaging Diagnostics and Radiotherapy, Medical University of Varna, Bulgaria

⁴Dept. of Clinical Medical Sciences, Medical University of Varna, Bulgaria

⁵Dept. of Neurosurgery and Otolaringology, Medical University of Varna, Bulgaria

P6

multicentric recommendations for radiotherapy of recurrent parasellar meningioma- how far is the consensus

E. Encheva¹, Y. Enchev², B. Iliev², R. Georgiev¹

1) Department of Imaging Diagnostics and Radiotherapy, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2)Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P7

LONG-SEGMENT PERCUTANEOUS SPINAL FIXATION

N. Gabrovsky, M. Laleva, K. Uzunov, St. Gabrovsky
Department of Neurosurgery, University Hospital "Pirogov", Sofia, Bulgaria

P8

LIMITED LUMBAR DISCECTOMY WITH RECONSTRUCTION OF THE FIBROUS ANNULUS- INITIAL EXPERIENCE
N. Gabrovsky, M. Laleva, N. Velinov, St. Gabrovsky

Department of Neurosurgery, University Hospital "Pirogov", Sofia, Bulgaria

P9

5-AMINOLEVULINIC ACID (5-ALA) GUIDED TUMOR RESECTION IN PATIENTS WITH DIFFERENT BRAIN TUMORS.

N. Velinov, G. Poptodorov, N. Gabrovsky, M. Laleva, P. Ilkov, M. Kamenova, St. Gabrovsky
Department of Neurosurgery, University Hospital "Pirogov", Sofia, Bulgaria

P10

MAGNETIC RESONANCE DIFFUSION-WEIGHTED AND PERFUSION-WEIGHTED IMAGING IN DIFFERENTIATION OF BRAIN LESIONS
R. Georgiev¹, B. Balev¹, M. Novakova¹, Y. Enchev², D. Dzhenkov³, E. Encheva¹

1) Department of Imaging Diagnostics and Radiotherapy, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

3) Department of Pathology, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P11

Analysis of the complications following the surgical treatment of 212 patients with Craniosynostosis

K. Georgiev¹, Y. Enchev², J. Surchev¹, A. Bussarsky¹

1) Department of Neurosurgery, University Hospital "St. Ivan Rilsky", Medical University of Sofia, Bulgaria

2) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P12

ABDOMINAL COMPLICATIONS FOLLOWING VENTRICULOPERITONEAL SHUNT SURGERY IN PEDIATRIC PATIENTS
S. Grebeldinger, B. Radojcic, I. Meljnikov, A. Milojevic
Novi SadSerbia

P13

HOW VASCULAR ENDOTHELIAL GROWTH FACTOR AND BASIC FIBROBLAST GROWTH FACTOR HELPS AS MANAGING GLIOMA PATIENTS

D. Handzhiev¹, Y. Enchev¹, G. Kiuchukov², T. Avramov¹, T. Kondev¹, B. Iliev¹

1) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Anna", Varna, Bulgaria

P14

Neuroendoscope-assisted technique for evacuation of intracerebral hematoma with penetration into the ventricular system

B. Iliev¹, Y. Enchev¹, T. Avramov¹, Pl. Trendafilov¹, T. Kondev¹, G. Iliev², Pl. Nedev²

1) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2) Department of ENT Diseases, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P15

Creation of modern university department of neurosurgery at the time of global economic crisis- the experience of University Hospital "St. Marina" Varna, Bulgaria

Y. Enchev¹, B. Iliev¹, N. Dimitrov¹, T. Avramov¹, T. Kondev¹, St. Diankov¹, D. Handzhiev¹, Pl. Trendafilov¹, G. Iliev², Pl. Nedev², E. Encheva³

1) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2) Department of ENT Diseases, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

3) Department of Imaging Diagnostics and Radiotherapy, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P16

spinal paraganglioma- case report and review of the literature

B. Iliev¹, Y. Enchev¹, T. Kondev¹, T. Avramov¹, Pl. Trendafilov¹, D. Handzhiev¹, E. Encheva²

1) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2) Department of Imaging Diagnostics and Radiotherapy, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P17

Authors' Modification of transparent trocars for

endoscope-assisted evacuation of intracerebral hematomas

B. Iliev, Y. Enchev, T. Avramov, T. Kondev, Pl. Trendafilov

Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P18

nasal breathing difficulty as a complication of Endonasal Transsphenoidal Surgery

G. Iliev¹, Pl. Nedev¹, M. Milkov¹, B. Iliev², Y. Enchev²

1) Department of ENT Diseases, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2) Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P19

General Anesthesia and Head Trauma as Risk Factors in Parkinson's Disease and Essential Tremor

Borislav Ivanov¹, Ara Kaprelyan², Ivan Dimitrov³, Margarita Grudkova², Natalia Usheva⁴, Vesselina Nestorova⁵, Nadezhda Deleva²

¹Dept of Clinical Medical Sciences, Medical University Varna, Bulgaria

²Dept of Neurology, Medical University Varna, Bulgaria

³Dept of Nursing, Sliven Affiliate, Medical University Varna, Bulgaria

⁴Dept of Social Medicine and Healthcare Organization, Medical University Varna, Bulgaria

⁵Dept of Physiotherapy, Rehabilitation, Thalassotherapy, Occupational Diseases and Disaster Medicine, Medical University Varna, Bulgaria

P20

Intracranial Tumors in Parkinson's Disease and Essential Tremor

Borislav Ivanov¹, Ara Kaprelyan², Ivan Dimitrov³, Margarita Grudkova², Natalia Usheva⁴, Vesselina Nestorova⁵, Nadezhda Deleva²

¹Dept of Clinical Medical Sciences, Medical University Varna, Bulgaria

²Dept of Neurology, Medical University Varna, Bulgaria

³Dept of Nursing, Sliven Affiliate, Medical University Varna, Bulgaria

⁴Dept of Social Medicine and Healthcare Organization, Medical University Varna, Bulgaria

⁵Dept of Physiotherapy, Rehabilitation, Thalassotherapy, Occupational Diseases and Disaster Medicine, Medical University Varna, Bulgaria

P21

DYSREGULATED GENE EXPRESSION IN MALIGNANT GLIOMA

Y. Feodorova¹, I. Koev², K. Simitchiev³, I. Batakliev^2,4, V. Sarafian¹

¹ Department of Medical Biology, Medical Faculty, Medical University- Plovdiv, Bulgaria

² Clinic of Neurosurgery, St. George University Hospital, Plovdiv, Bulgaria

³ Department of Analytical Chemistry and Computer Chemistry, University of Plovdiv, Bulgaria

⁴ Department of Neurosurgery, Medical Faculty, Medical University-Plovdiv, Bulgaria

P22

ANALYSIS OF PROGNOSTIC FACTORS IN ADULT PATIENTS WITH GLIOBLASTOMA MULTIFORME

I. Koev¹, K. Simitchiev², H. Zhelyazkov^1,3, B. Kitov³, B. Kalnev^1,3, A. Davarski^1,3

¹ Clinic of Neurosurgery, University Hospital St. George, Plovdiv, Bulgaria

² Department of Analytical Chemistry and Computer Chemistry, University of Plovdiv, Bulgaria

³ Department of Neurosurgery, Medical Faculty, Medical University-Plovdiv, Bulgaria

P23

Primary intracranial leiomyosarcoma- case report and review of the literature

T. Kondev, Y. Enchev, D. Handjiev, B. Iliev, T. Avramov, .Pl. Trendafilov

Department of Neurosurgery, Medical University of Varna,

University Hospital "St. Marina", Varna, Bulgaria

P24

BIS monitoring during Intraoperative Neuromonitoring for Neurosurgery or How to avoid anesthesia awareness due to unusual circumstances

D. Lichev¹, Y. Enchev², V. Platikanov¹

1)Department of anesthesiology, emergency, intensive and sea medicine, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2)Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P25

To avoid "tight brain", avoid "tight patient", but "brain relaxation" without patient relaxation

D. Lichev¹, Y. Enchev², V. Platikanov¹

1)Department of anesthesiology, emergency, intensive and sea medicine, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2)Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P26

ASSISTED ENDOVASCULAR COILING OF WIDE NECK ANEURYSMS - DOUBLE MICROCATHETER AND JAIL TECHNIQUES
M. Lilov¹, T. Eftimov2, V. Nakov², I. Todorov², K. Ninov²,
1) Department of Radiology
2) Department of Neurosurgery
Military Medical Academy, Sofia, Bulgaria

P27

MANAGEMENT AND TREATMENT OF HYDROCEPHALUS IN PEDIATRIC PATIENTS - OUR EXPERIENCE
I. Meljnikov, A. Milojevic, V. Borisev, B. Radojcic, S. Grebeldinger, M. Fimic
Novi Sad, Serbia

P28

SACCULAR ANEURYSMS OF THE VERTEBROBASILAR SYSTEM - ENDOVASCULAR VERSUS SURGICAL TREATMENT
 V. Nakov¹, M. Lilov², T. Eftimov¹, I. Todorov¹, K. Ninov¹,
1) Department of Neurosurgery
2) Department of Radiology
Military Medical Academy, Sofia, Bulgaria

P29

VASCULAR COMPLICATIONS FOLLOWING THE SURGICAL TREATMENT OF RUPTURED INTRACRANIAL ANEURYSMS
V. Nakov, T. Eftimov, K. Ninov, I. Todorov
Department of Neurosurgery
Military Medical Academy, Sofia, Bulgaria

P30

Carpal tunnel syndrome - choice of syrgery technique
G. Ganchev, P. Penev

Department of Orthopedic Surgery, Medical University of Varna, University Hospital "St. Anna", Varna, Bulgaria

P31

SURGICAL TREATMENT OF LESIONS IN THE EXTRACRANIAL CAROTID SEGMENT
V. Petrov¹, M. Cheshmedjiev¹, P. Panayotov², Y. Enchev³

¹Department of Vascular Surgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

² Department of Cardiosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

³Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P32

SURGICAL TREATMENT OF PATIENTS WITH SMALL NUMBER OF BRAIN METASTASES
M. Radoi^1,3, V. Ciubotaru², Ligia Tataranu^1,2
Bucharest, Romania

P33

ANTIBIOTIC THERAPY FOR ABDOMINAL COMPLICATIONS SECONDARY TO VENTRICULOPERITONEAL SHUNTS SURGERY

B. Radojcic, S. Grebeldinger, I. Meljnikov, A. Milojevic, M. Fimic
Novi Sad, Serbia

P34

Trigeminocardiac reflex trigger points within the skull base. Anatomical perspective
T. Spiriev¹, L. Laleva¹, S. Kondoff¹, Ch. Tzekov¹, B. J. Schaller²

1) Department of Neurosurgery, Tokuda Hospital, Sofia, Bulgaria

2) Southampton, UK

P35

Surgical Decompression and Methylprednisolone in the Treatment of Traumatic Spinal Cord Injury - What are the Evidences? Review of the Literature

Toma Spiriev¹, Lili Laleva¹, Y. Enchev²

1)Department of Neurosurgery, Tokuda Hospital, Sofia, Bulgaria

2)Department of Neurosurgery, Sv. Marina Hospital, Varna, Bulgaria

P36

COMPARING RARE COMPLICATIONS IN VENTRICLE ATRIAL AND VENTRICLE PERITONEAL SHUNTS IN CHILDHOOD
J. Surchev, L. Todorova, K. Georgiev
Department of Neurosurgery, University Hospital "St. Iv. Rilsky", Sofia, Bulgaria

P37

Rathke's cleft cysts- review of two cases

A. Cekov¹, Chr. Tzekov¹, S. Kondoff¹, E. Arnautska¹, G. Kirova¹, V. Pelinkov¹,

Chr. Kostadinova¹, J. Vasilev¹, I. Angelov¹, Y. Enchev²

1)Department of Neurosurgery, Tokuda Hospital, Sofia, Bulgaria

2)Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P38

Tethered Spinal Cord Syndrome

Chr. Tzekov¹, A. Cekov¹, S. Kondoff¹, E. Arnautska¹, T. Spiriev¹, L. Laleva¹, Chr. Kostadinova¹, V. Pelinkov¹, J. Vasilev¹, Y. Enchev²

1)Department of Neurosurgery, Tokuda Hospital, Sofia, Bulgaria

2)Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P39

Trigeminal nerve's schwannoma - review of two cases

A. Cekov¹, Chr. Tzekov¹, S. Kondoff¹, E. Arnautska¹, G. Kirova¹, V. Pelinkov¹,

Chr. Kostadinova¹, J. Vasilev¹, I. Angelov¹, Y. Enchev²

1)Department of Neurosurgery, Tokuda Hospital, Sofia, Bulgaria

2)Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

P40

UNUSUAL NEURO-OPHTHALMOLOGIC DISTURBANCES DUE TO INTERNAL CAROTID ANEURYSM

A. Tzoukeva¹, А. Kaprelyan¹, Ch. Bachvarov², Y. Enchev³, K. Hristozov⁴

Department of Neurology, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

1)Department of Imaging Diagnostics and Radiotherapy, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

2)Department of Neurosurgery, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria

3)Department of Endocrinology, Medical University of Varna, University Hospital "St. Marina", Varna, Bulgaria